•The foliate papillae are normal bilateral structures on the most posterior lateral surface of the tongue. They may be small nodules or vertical folds and grooves. They are composed of lymphoid tissue and may contain taste buds. In smokers, they may get very red and exaggerated. It is an

important structure to visualize because cancer of the tongue may be found just anterior to them.

fusion. union of two tooth buds. count the teeth!

gemination

the fusion of two teeth by cementum is called...?

concrescence

dens in dente

also known as dens invaginatus

recurrent aphthous ulcers

trauma after pt had a dental visit which included palatal injections:

recurrent intraoral herpes

(condition in which the virus is triggered to proliferate on the hard, bound down mucosa (not the moveable, like recurrent aphthous) can be triggered by a dental visit. Note the erythema with small, punched out ulcers, typical of herpetic ulcers. Also note the nicotinic stomatitis

in this patient.)

mucocele (minor salivary gland duct is severed due to trauma)

ranula is a mucocele which occures on the floor of the mouth, and is associated with major salivary glands.

Ranula: mucocele that forms unilaterally on the floor of the mouth. It is

old woman on corticosteroids. white curd-like material on her hard palate which can be easily wiped off leaving red raw surface.

pseudomembranous candidiasis

-candidiasis is an opportunistic infection.

could not have been: Erythematous candidiasis (red and painful), Chronic atrophic candidiasis (red and known as Denture Stomatitis, seen under full and partial dentures), Chronic hyperplastic candidiasisplakia (white plaque-like fungal lesion of mucosa, cannot be wiped off).